Pith Number

pith:F27OO7AP

pith:2012:F27OO7APCVCETL2TPKLQG3MBRX

not attested not anchored not stored refs pending

First-principles multiway spectral partitioning of graphs

Maria A. Riolo, M. E. J. Newman

arxiv:1209.5969 v2 · 2012-09-26 · cs.DS · cs.SI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F27OO7APCVCETL2TPKLQG3MBRX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:46:04.783243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ebee77c0f154449af537a97036d818de3448cd2fe2f60bb483eca096494369c

Aliases

arxiv: 1209.5969 · arxiv_version: 1209.5969v2 · doi: 10.48550/arxiv.1209.5969 · pith_short_12: F27OO7APCVCE · pith_short_16: F27OO7APCVCETL2T · pith_short_8: F27OO7AP

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/F27OO7APCVCETL2TPKLQG3MBRX \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2ebee77c0f154449af537a97036d818de3448cd2fe2f60bb483eca096494369c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cfd7fb7157d07e8e03462a319210a95c4714b01261f6b55c065bbb67cd1cc1a",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-09-26T15:24:14Z",
    "title_canon_sha256": "b92d05d870dc2d7fff764185ea8b84fcf30594969d05583e12f7644e0faf671b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5969",
    "kind": "arxiv",
    "version": 2
  }
}